(;GM[1]FF[4]SZ[19]
GN[Black plays]
PC[http://senseis.xmp.net/?EndgameTesuji3]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?EndgameTesuji3

Black plays]
PL[B]

AB[db][bc][dc][ec][bd][cd][ed][fd][hd]
AW[cc][dd][be][ce][de][ee][eg]

;B[ae]C[B1]MN[1]
;W[af]C[W2]MN[2]
;B[ad]C[B3]MN[3]
;W[bf]C[W4]MN[4]

;
)
